Home / 1,259,939.40-1,738,673.06-716,065.71

Finding the Fourth Proportional to 1,259,939.40, 1,738,673.06 and 716,065.71

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Solution

The fourth proportional to 1,259,939.40, 1,738,673.06 and 716,065.71 is: 988,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,939.40 : 1,738,673.06 = 716,065.71 : x
  2. Step 2: Convert to fraction form
    1,259,939.40/1,738,673.06 = 716,065.71/x
  3. Step 3: Cross multiply
    1,259,939.40x = 1,738,673.06 × 716,065.71
  4. Step 4: Simplify right side
    1,259,939.40x = 1,245,004,159,166.77
  5. Step 5: Solve for x
    x = 1,245,004,159,166.77/1,259,939.40
  6. Step 6: Final answer
    x = 988,146.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.